your Top 2 are two of her most generic but I still like them. I Do Not Hook Up is her best song imo and MKIA, Miss Independent, Dark Side are very underrated.
On Deck:
15.Sam Smith - I'm Not The Only One
14.Fall Out Boy - Centuries
13.Gwen Stefani - Baby Don't Lie
12.Nick Jonas - Jealous
11.Charli XCX - Break The Rules (2, 7)
Top 10 Countdown:
10.The Veronicas - You Ruin Me (4th Week/-4/Peak:06)
09.Ella Henderson - Glow (Acoustic Version) (1st Week/debut/Peak:09)
08.Ariana Grande f/Zedd - Break Free (Extended Mix) (7th Week/-4/Peak:03)
07.Alesso f/Tove Lo - Heroes (We Could Be) (1st Week/hot shot debut/Peak:07)
06.Bebe Rexha - I Can't Stop Drinking About You (2nd Week/+3/Peak:06)
05.Beyoncé - Pretty Hurts (Monsieur Adi Orchestral Rework) (9th Week/-2/Peak:02)
04.Calvin Harris f/John Newman - Blame (3rd Week/+4/Peak:04)
03.Coldplay - True Love (5th Week/-1/Peak:02)
01.Echosmith - Cool Kids (Live Version) (7th Week/+4/Peak:01[1]) - Tie for #1
01.Tove Lo - Habits (Stay High) (8th Week/=/Peak:01[4]) - Tie for #1
OFF THE COUNTDOWN:
10.Charli XCX - Break The Rules <2, 07>
07.Zedd f/Matthew Kuma & Mariam Brayant - Find You (Acoustic Version) <18, 04>